<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <script src="../static/assets/global/plugins/jquery-1.11.0.min.js"></script>
    <link href="../static/assets/global/plugins/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css"/>
    <link href="../static/assets/global/css/components.css" rel="stylesheet" type="text/css"/>
    <link href="../static/assets/admin/pages/css/login.css" rel="stylesheet" type="text/css"/>
</head>
<body class="login">
<div class="content">
    <h3 class="form-title">商品详情</h3>

    <div id="promoStartDateContainer" class="form-group">
        <label style="color:blue" id="promoStatus" class="control-label">秒杀开始时间</label>
        <div>
            <label style="color:red" class="control-label" id="promoStartDate"/>
        </div>
    </div>

    <div class="form-group">
        <div>
            <label class="control-label" id="title"/>
        </div>
    </div>

    <div class="form-group">
        <label class="control-label">商品描述</label>
        <div>
            <label class="control-label" id="description"/>
        </div>
    </div>

    <div id="normalPriceContainer" class="form-group">
        <label class="control-label">价格</label>
        <div>
            <label class="control-label" id="price"/>
        </div>
    </div>

    <div id="promoPriceContainer" class="form-group">
        <label style="color:red" class="control-label">秒杀价格</label>
        <div>
            <label style="color: red" class="control-label" id="promoPrice"/>
        </div>
    </div>

    <div class="form-group">
        <div>
            <img style="width:200px;height: auto" id="imgUrl">
        </div>
    </div>

    <div class="form-group">
        <label class="control-label">库存</label>
        <div>
            <label class="control-label" id="stock"/>
        </div>
    </div>

    <div class="form-group">
        <label class="control-label">销量</label>
        <div>
            <label class="control-label" id="sales"/>
        </div>
    </div>

    <div class="form-actions">
        <button class="btn blue" id="createorder" type="submit">
            下单
        </button>
    </div>

</div>

</body>
<script>
    var global_itemVO={};

    function getParam(paramName) {
        paramValue = "", isFound = !1;
        if (this.location.search.indexOf("?") == 0 && this.location.search.indexOf("=") > 1) {
            arrSource = unescape(this.location.search).substring(1, this.location.search.length).split("&"), i = 0;
            while (i < arrSource.length && !isFound) arrSource[i].indexOf("=") > 0 && arrSource[i].split("=")[0].toLowerCase() == paramName.toLowerCase() && (paramValue = arrSource[i].split("=")[1], isFound = !0), i++
        }
        return paramValue == "" && (paramValue = null), paramValue
    }

    jQuery(document).ready(function () {
        $("#createorder").on("click",function () {
            $.ajax({
                type: "POST",
                url: "http://localhost:8080/order/createorder",
                data: {
                    "itemId":global_itemVO.id,
                    "amount":1,
                    "promoId":global_itemVO.promoId
                },
                contentType:"application/x-www-form-urlencoded",
                xhrFields: {withCredentials: true},
                success: function (data) {
                    if (data.status == "success") {
                        alert("下单成功!")
                        window.location.reload();
                    } else {
                        alert("下单失败，原因为" + data.data.errMsg);
                        if(data.data.errCode==20003){
                            window.location.href="login.html";
                        }
                    }
                },
                error: function (data) {
                    alert("下单失败，原因为" + data.data.errMsg)
                }
            });
        });


        $.ajax({
            type: "GET",
            url: "http://localhost:8080/item/get",
            data: {
                "id":getParam("id"),
            },
            xhrFields: {withCredentials: true},
            success: function (data) {
                if (data.status == "success") {
                    global_itemVO=data.data;
                    reloadDom();
                    setInterval(reloadDom,1000);
                } else {
                    alert("获取信息失败，原因为" + data.data.errMsg);
                }
            },
            error: function (data) {
                alert("获取信息失败，原因为" + data.data.errMsg)
            }
        });
    });
    function reloadDom() {
        $("#title").text(global_itemVO.title);
        $("#description").text(global_itemVO.description);
        $("#stock").text(global_itemVO.stock);
        $("#price").text(global_itemVO.price);
        $("#imgUrl").attr("src",global_itemVO.imgUrl);
        $("#sales").text(global_itemVO.sales);
        if(global_itemVO.promoStatus==1){
            //还未开始
            var startTime=global_itemVO.startDate.replace(new RegExp("-","gm"),"/");
            startTime=(new Date(startTime)).getTime();
            var nowTime=Date.parse(new Date());
            var deltaTime=(startTime-nowTime)/1000;
            if(deltaTime<=0){
                //活动开始了
                global_itemVO.promoStatus=2;
                reloadDom();
            }
            $("#promoStartDate").text("秒杀活动将于："+global_itemVO.startDate+" 开始！ 倒计时："+deltaTime+" 秒");
            $("#promoPrice").text(global_itemVO.promoPrice);
            $("#createorder").attr("disabled",true);
        }else if(global_itemVO.promoStatus==2){
            //正在进行
            $("#promoStartDate").text("秒杀正在进行中！");
            $("#promoPrice").text(global_itemVO.promoPrice);
            $("#createorder").attr("disabled",false);
            $("#normalPriceContainer").hide();
        }
    }
</script>
</html>